<!DOCTYPE HTML>
<html>
<!--
https://bugzilla.mozilla.org/show_bug.cgi?id=345267
-->
<head>
  <title>Test for Bug 345267</title>
  <script type="text/javascript" src="/tests/SimpleTest/SimpleTest.js"></script>
  <script type="text/javascript" src="/tests/SimpleTest/EventUtils.js"></script>
  <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css" />
</head>
<body>
<a target="_blank" href="https://bugzilla.mozilla.org/show_bug.cgi?id=345267">Mozilla Bug 345267</a>
<p id="display">
 <input id="d1" maxlength="3" value="abcde">
 <input id="d2" maxlength="3">
 <input id="d3" maxlength="3">
 <input id="d4" value="abcdefghijk">
 <input id="target" value="abcdefghijklm" maxlength="3">
</p>
<div id="content" style="display: none">
 <input id="u1" maxlength="3" value="abcdef">
 <input id="u2" maxlength="3">
 <input id="u3" maxlength="3">
 <input id="u4" value="abcdefghijkl">
</div>
<pre id="test">
<script class="testbody" type="text/javascript">

/** Test for Bug 345267 **/
SimpleTest.waitForExplicitFinish();
// Turn off Spatial Navigation to stop if from hijacking "left" keypress event.
SpecialPowers.pushPrefEnv({"set":[['snav.enabled', false]]}, runTest);

function runTest() {
  is($("d1").value, "abcde",
     "Displayed initial value should not be truncated by maxlength");
  is($("u1").value, "abcdef",
     "Undisplayed initial value should not be truncated by maxlength");

  $("d2").value = "abcdefg";
  is($("d2").value, "abcdefg",
     "Displayed set value should not be truncated by maxlength");

  $("u2").value = "abcdefgh";
  is($("u2").value, "abcdefgh",
     "Undisplayed set value should not be truncated by maxlength");

  $("d3").defaultValue = "abcdefghi";
  is($("d3").value, "abcdefghi",
     "Displayed set defaultValue should not be truncated by maxlength");

  $("u3").defaultValue = "abcdefghij";
  is($("u3").value, "abcdefghij",
     "Undisplayed set defaultValue should not be truncated by maxlength");

  $("d4").maxLength = "3";
  is($("d4").value, "abcdefghijk",
     "Displayed: setting maxLength should not truncate existing value");

  $("u4").maxLength = "3";
  is($("u4").value, "abcdefghijkl",
     "Undisplayed: setting maxLength should not truncate existing value");

  // Now start the editing tests
  is($("target").value, "abcdefghijklm", "Test starting state incorrect");
  $("target").focus();
  $("target").selectionStart = $("target").selectionEnd = 13;
  sendKey("back_space");
  is($("target").value, "abcdefghijkl", "Should only delete one char");
  sendKey("back_space");
  is($("target").value, "abcdefghijk", "Should only delete one char again");
  (function () {
    SpecialPowers.wrap($("target")).controllers.getControllerForCommand('cmd_undo')
                         .doCommand('cmd_undo');
  })();
  is($("target").value, "abcdefghijklm",
     "Should be able to undo deletion in the face of maxlength");
  sendString("nopq");
  is($("target").value, "abcdefghijklm",
     "Typing should have no effect when already past maxlength");

  $("target").value = "";
  sendString("abcde");
  is($("target").value, "abc", "Typing should be limited by maxlength");

  $("target").value = "";
  sendString("ad");
  sendKey("left");
  sendString("bc");
  is($("target").value, "abd", "Typing should be limited by maxlength again");
  SimpleTest.finish();
}
</script>
</pre>
</body>
</html>

